It houses the administrative offices, guest lodging for Church Members and students, a 4500-book research library, and the herbal area holding more than 200 species of dried botanicals.

The Rowan Tree Church trains its clergy in The Mystery School, a challenging and in-depth educational program.

The Tradition is discussed at length in Beyerl’s book A Wiccan Bardo, Revisited.

The Hermit's Grove includes the publishing house for the Church, and the Master Herbalist Program, an extensive study in botanical medicine.

• The Master Book of Herbalism (1984) Phoenix Publishing (ISBN 0-919345-53-0) • A Wiccan Bardo: Initiation and Self-Transformation originally published by Prism Press in England and the U.S. (ISBN 1-85327-036-9) and by Unity Press in Australia in 1989.